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Radiant|Lab Grown|IGI

1.35ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG681558901

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG681558901

Diamond specifications and retailer prices

From £240 GBP
$321 USD
As of October 30, 2026
Save £1,887 GBP (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,127 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG681558901 or 681558901. Listed at 24 retailers as of October 30, 2026, with prices from £240 to £2,127, a £1,887 spread on the same certified stone. Do Amore Diamonds lists it at £2,127. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681558901
Dimensions7.54 × 5.55 × 3.74 mm
L/W Ratio1.36
Culet sizePointed
Top View
7.54 mm5.55 mm1.35 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681558901
Side View
Table 65.0%Crown 47.2°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £274 GBP|Low: £240 GBP|High: £2,112 GBP|Avg: £738 GBP|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 7£240 GBP
Retailer 1£274 GBP
Retailer 6£278 GBP
Retailer 3£297 GBP
Retailer 5£297 GBP
Retailer 10£346 GBP
Retailer 15£396 GBP
Retailer 14£563 GBP
Retailer 11£585 GBP
Retailer 13£796 GBP
Retailer 4£870 GBP
Retailer 12£939 GBP
Retailer 8£1,053 GBP
Retailer 2£1,276 GBP
Retailer 9£1,281 GBP
Retailer 16£2,052 GBP

30 data points across 16 retailers

24 retailers£240 GBP to £2,127 GBP

A
Cheapest Retailer
-
£240 GBP
$321 USD
A
Retailer 2
-
£274 GBP
$367 USD
View
Final sale: no returns
A
Retailer 3
-
£278 GBP
$372 USD
View
Retailer 4
-
£297 GBP
$398 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£297 GBP
$398 USD
View
A
Retailer 6
-
£346 GBP
View
A
Retailer 7
-
£396 GBP
$530 USD
View
A
Retailer 8
-
£396 GBP
$530 USD
View
A
Retailer 9
-
£417 GBP
$559 USD
View
A
Retailer 10
-
£563 GBP
ZAR 12,188 ZAR
View
A
Retailer 11
-
£570 GBP
$764 USD
View
A
Retailer 12
-
£585 GBP
View
B+
Retailer 13
-
£796 GBP
A$1,640 AUD
View
B+
Retailer 14
-
£870 GBP
$1,166 USD
View
B+
Retailer 15
-
£939 GBP
A$1,936 AUD
View
B+
Retailer 16
-
£1,053 GBP
$1,411 USD
View
B
Retailer 17
-
£1,080 GBP
View
B
Retailer 18
-
£1,171 GBP
$1,569 USD
View
B
Retailer 19
-
£1,175 GBP
$1,574 USD
View
B
Retailer 20
-
£1,274 GBP
View
Retailer 21
-
£1,276 GBP
$1,710 USD
View
Price last confirmed 11 days ago
B+
Retailer 22
-
£1,281 GBP
View
Retailer 23
-
£2,052 GBP
$2,750 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-97E5521D5 · Oct 31
£2,127 GBP
$2,850 USD
View
23 more retailers have this diamond
Prices start from £240 GBPSave up to £1,887 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.35ct Radiant
£240 GBP